388125

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1$

素因数の和:52

約数の個数: 40

約数和(自身を含む): 749760

約数和(自身を除く): 361635

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 207, 225, 345, 375, 575, 621, 625, 675, 1035, 1125, 1725, 1875, 2875, 3105, 3375, 5175, 5625, 8625, 14375, 15525, 16875, 25875, 43125, 77625, 129375, 388125]

約数ペア:

[(1, 388125), (3, 129375), (5, 77625), (9, 43125), (15, 25875), (23, 16875), (25, 15525), (27, 14375), (45, 8625), (69, 5625), (75, 5175), (115, 3375), (125, 3105), (135, 2875), (207, 1875), (225, 1725), (345, 1125), (375, 1035), (575, 675), (621, 625)]